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Series: RTS

New_Logo Free Sample Request

SMD thermal fuse for high currents

2 Variants

Description RTS


  • Patented surface mount thermal fuse to protect against thermal runaway of power semiconductors such as: MOSFET's, IC's, IGBT's, Triac's, SCR's, etc.
  • Provides physical protection in cases where all software-based security measures have failed

Unique Selling Proposition

  • Separates rated voltages up to 60VDC
  • Reflow compatible through mechanical activation procedure
  • Galvanic separation happens inside the RTS housing
  • Smallest footprint with just two contacts


  • Wherever power transistors are used
  • Automotive: Cooling fan applications, ABS power steering, PTC heaters, HVAC, Glow plugs, Diesel fuel heaters
  • Industrial: Battery Protection, Power supplies, Lighting ballasts, H-Bridge circuits, Motor drivers

Other versions on request

  • Thermal fuse with integrated shunt
  • Thermal fuse with integrated fuse
Date Subcategory Language Title Download
White Paper English White Paper AEC-Q200
Application Note English Application Note Thermal Runaway
PCN English RTS PCN Improved internal resistance

Rated Voltage

60 VDC

Breaking Capacity

400 A

Operating current

up to 100 A



Allowable Operation Temperature

-40 °C to +150 °C

Tripping temperature

210 °C

Material: Housing


Material: Terminals

Tin-Plated Copper Alloy

Unit Weight

0.75 g

Storage Conditions

0 °C to 40 °C, max. 70% r.h.

Product Marking

Variant Code, Lot no.

Maximum reflow temperature

260 °C (peak)

Soldering Methods

Soldering Profile


245 °C / 3 sec acc. to IEC 60068-2-58

Resistance to Soldering Heat

260 °C / 30 sec acc. to IPC/JEDEC J-STD-020D, Level 1

Activation force

Fa = max. 50 N

Activation distance

Sa = 1.1 ± 0.1 mm

Detailed information on product approvals, code requirements, usage instructions and detailed test conditions can be looked up in  
Details about Approvals

SCHURTER products are designed for use in industrial environments. They have approvals from independent testing bodies according to national and international standards. Products with specific characteristics and requirements such as required in the automotive sector according to IATF 16949, medical technology according to ISO 134485 or in the aerospace industry can be offered exclusively with customer-specific, individual agreements by SCHURTER.

Application standards

Application standards where the product can be used

Organization Design Standard Description
Partners IEC_Certification_Body Designed for applications acc. IEC/UL 60950 IEC 60950-1 includes the basic requirements for the safety of information technologyequipment.


The product complies with following Guide Lines

Identification Details Initiator Description
Environment_Safety RoHS_Logo_color_CMYK_tif SCHURTER AG EU Directive RoHS 2011/65/EU
Environment_Safety REACH SCHURTER AG On 1 June 2007, Regulation (EC) No 1907/2006 on the Registration, Evaluation, Authorization and Restriction of Chemicals 1 (abbreviated as "REACH") entered into force.
tableimage AECQ200 SCHURTER AG AEC-Q200 is a test standard for passive components used in automotive applications. SCHURTER tests components according to the customer's agreement and is certified according to IATF 16949.


Picture(s) Selection of product pictures to display a specific variant of the type


Type Corresponds to a product series and includes various distinct variants. On the type of descriptive data are summarized, eg in the data sheet

Order Number

Order Number Unique part number for placing an order

Configuration key

Configuration key The configuration key of a product consists of the composite key values, which describe the different kinds of attribut distinction.

Model Description

Model Description Abbreviated description of the CAD model


IGS Also mentioned as IGES ( Initial Graphics Exchange Specification). Common program indipendent interchange format for 3D CAD data.


Step Also mentioned as STEP ( Standard for the Exchange of Product Model Data). Common program indipendent interchange format for 3D CAD data standardized according ISO standard.


Parasolid Parasolid modeling kernel is a 3D CAD systems. It is developed by a separate business unit within the Unigraphics Solutions (UGS), now Siemens PLM Software.


DXF (Drawing Interchange Format) is a specified by the Autodesk file format for CAD data exchange, and was developed for the 2D-CAD program AutoCAD. A DXF file describes a CAD model as plain text to the ASCII standard.

3-104-513 3-104-514 3-119-589 3-119-590

Dimension [mm]

Reflow soldering pads

Activation status


Activated: must be mechanically activated after reflow

Activation specification


Short Table of Variants RTS

Cold Resistance typ. (max.) Packaging unit [PCS] Order Number

Variant Details

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Most popular products have the following customer benefits:

- previously ordered by multiple customers
- generally in stock for immediate delivery
- early adoption or mature life cycle

Contact us for availability on other product variants, lead-times vary:

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Free Sample

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Distributor Stock Check

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Distributor Stock Check

Stock Check Distributor

95 μΩ (120 μΩ) 100 3-104-513 ...
95 μΩ (120 μΩ) 750 3-104-514 ...

Nominal Current: < 100 A

Nominal Current depends on the implementation on the board (Cu area/ thickness)

Breaking Capacity: 400 A @ 24 VDC (> 18 μH) / 200 A @ 50 VDC (> 27 μH) / 170 A @ 60 VDC (> 32 μH)

All measurements carried out on a board based on IEC 60127-4 with 20 mm track width and 70 μm copper layer thickness

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